kya ap bata sakti hai ki sex ke kitne din baad pregnsncy ja pata chalega. mai ek surgen hun. mere mc 28 days ka hai. usi ke calculation me meri sex time for fartilization hai 14 to 18 but maine 22 ko urin check ki but negative aya. mera period bhi nai aya hai. can u pns answare me as soon as possible